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3 years ago

How do u add 2 3/4 + 3 3/8

Mathematics

2 answers:

Goryan [66]3 years ago

8 0

Answer:

change to improper fractions first

6/8 + 6/24

make so there is a common denominator

6/8 × 3/3 = 18/24

now add

18/24 + 6/24 = 24/24 = 1

antiseptic1488 [7]3 years ago

6 0

First, find the common denominator.

3/8 and 3/4 ——> the both have 16.

3/4 X 4/4 and 3/8 X 2/2 —> 12/16 & 6/16

Now, we are going to add.

2 12/16 + 3 6/16 = 6 2/16

You carrying the one since you got 18/16.

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A medical test has been designed to detect the presence of a certain disease. Among people who have the disease, the probability

Oksi-84 [34.3K]

Answer:

a) 0.497

b) 0.0047

Step-by-step explanation:

a) The probability that the person actually has the disease

$\frac{0.06 *0.93}{0.06 *0.93 + 0.06 *0.94} = 0.497$

b) The probability that the person actually does have the disease $\frac{0.06 *0.07}{0.06 *0.06 + 0.93 *0.94} = 0.0047$

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3 years ago

You are playing a new video game. The table shows the proportional relationship between the number of levels completed and the t

Lana71 [14]

The time to complete 2 levels is (c) 60 minutes

<h3>How to determine the time to complete 2 levels?</h3>

The table of values is given as

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Express the blank (?) with y

Number of Levels Time (hours)

2 y

3 1.5

The ordered pairs from the table are

(x, y) = (2, y) and (3, 15)

The table shows the proportional relationship

This means that the equation can be represented as

y = Y/X * x

Where

(x, y) = (2, y)

(X, Y) = (3, 1.5)

So, we have

y = 1.5/3 * 2

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This gives

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7 0

1 year ago

Help please ik it easy but please

beks73 [17]

Answer:

7.7 repeated

Step-by-step explanation:

3 1/3 * 2 1/3 = 7.7 repeated

5 0

3 years ago

Read 2 more answers

Need help with this question

mestny [16]

Answer:

swag

Step-by-step explanation:

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3 years ago

Find three consecutive odd integers such that the sum of the smallest and four times the largest is 61. Please list the numbers

Kipish [7]

Answer:

$9,11,13$

Step-by-step explanation:

Given: sum of the smallest integer and four times the largest integer out of three consecutive odd integers is 61

To list: numbers from least to greatest

Solution:

Let the three consecutive odd integers be $x,x+2,x+4$ .

According to question,

$x+4(x+4)=61\\x+4x+16=61\\5x=61-16\\5x=45\\x=9$

So, the integers are $x=9,x+2=9+2=11,x+4=9+4=13$

Numbers from least to the greatest: $9,11,13$

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3 years ago